|One thing is to never relie on one virus scanner.
Don't think that installed more than one virus checker you will be doubley secure
you won't, they will both confict with each other.
The best anti-virus that I've used is http://www.filehippo.com/download_avast_antivirus/6635/ Avast!
Home Edition 4.8.1368 for Win9x/ME and its free. I still use it on my old WinME computer.
If you know the code you can register it for 3 years.
The last version of Process Explorer that runs on Win9x/ME is 11.20